1. Issuing Authority: Minister of Land, Infrastructure, Transport and Tourism of Japan
2. Certified Object: Qingdao Ruijunyuan Industry and Trade Co., Ltd.
3. Certification Basis: Relevant provisions of Article 68 of the Japanese Building Standards Act and the Enforcement Rules of the Building Standards Act
4. Certification Content: This certification confirms that the factory's steel structure (steel frame) fabrication and welding construction processes and quality management system comply with Japanese national building safety standards. Core applicable scope:
◦ Building Type: Steel structure welded buildings with 5 stories or less, a building area of less than 3000㎡, and a building height of less than 20m.
◦ Steel Specifications: 400N/490N grade carbon steel, steel with a plate thickness of less than 25mm.
◦ All processes, including welding operations, skilled personnel qualifications, non-destructive testing, and temperature zone management, are fully compliant.
5. Certificate Benefits: With this certification, the steel structure welded components produced by this factory can be directly used in legal construction projects in Japan. It is a mandatory official qualification for entering the Japanese steel structure market and undertaking Japanese engineering projects, representing that the factory's welding quality and quality control capabilities meet the requirements of Japanese national building safety standards. The certification issued by the Japanese Ministry of Land, Infrastructure, Transport and Tourism is the highest-level national certification, representing Japan's highest technical and safety standards. Obtaining this certification typically means that the product can be directly used in Japanese public projects or meets extremely high quality requirements.
This indicates that Ruijunyuan Company's quality management system and product technology capabilities meet the high standards of the Japanese Building Standards Act.
